42-177-34753

PRODUCING Horizontal

BARNHART (EF)-HFS SA6

GONZALES County · District 2 · MARATHON OIL EF LLC · EAGLEVILLE (EAGLE FORD-2)

Permits

1

Max Depth

22,000 ft

First Permit

2024-12-04

Latest Activity

2024-12-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2025-09-25

Shut-In

Plugged

P-5 Org Status: Active

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2025-05

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (8) Elevation 237 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
REKLAW 2,368 ft-2,131 ft
CARRIZO 2,509 ft-2,272 ft
WILCOX - DISPOSAL (Wilcox)2,814 ft-2,577 ft
AUSTIN CHALK - H2S (Austin Chalk)8,702 ft-8,465 ft
EAGLE FORD - H2S (Eagle Ford)9,134 ft-8,897 ft
BUDA - H2S, DISPOSAL (Buda)
EDWARDS - H2S (Edwards)
NAVARRO

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
42-177-34752 BARNHART (EF)-HFS SA5 · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,367'Carrizo 2,507'Wilcox 2,811'Austin Chalk 8,667'Eagle Ford 9,100'Buda Navarro Edwards
42-177-34754 BARNHART (EF)-HFS SA7 · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,372'Carrizo 2,513'Wilcox 2,820'Austin Chalk 8,841'Austin Chalk 8,841'Eagle Ford 9,279'Eagle Ford 9,279'Navarro Edwards Buda
42-177-34755 BARNHART (EF)-HFS SA8 · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,375'Carrizo 2,516'Wilcox 2,824'Austin Chalk 8,840'Eagle Ford 9,269'Buda Edwards Navarro
42-177-34751 BARNHART (EF)-HFS SA4 · MARATHON OIL EF LLC
0.0 mi
Reklaw 2,366'Carrizo 2,505'Wilcox 2,810'Austin Chalk 8,682'Eagle Ford 9,110'Buda Edwards Navarro
42-177-34750 BARNHART (EF)-HFS SA3 · MARATHON OIL EF LLC
0.2 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,808'Eagle Ford 9,253'Buda Navarro Edwards
42-177-34749 BARNHART (EF)-HFS SA2 · MARATHON OIL EF LLC
0.3 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,799'Eagle Ford 9,248'Edwards Buda Navarro
42-177-34748 BARNHART (EF)-HFS SA1 · MARATHON OIL EF LLC
0.3 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,804'Eagle Ford 9,246'Navarro Edwards Buda
42-177-34747 BARNHART (EF)-J.M. PRESTON SA10 · MARATHON OIL EF LLC
0.3 mi
Reklaw 2,068'Carrizo 2,628'Wilcox 2,863'Austin Chalk 8,800'Eagle Ford 9,240'Buda Navarro Edwards

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
9,512–21,429 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"4,741 ft1,569 sx
5.5"21,413 ft3,631 sx

Permit History (1)

Applications (1)

#904375 A MARATHON OIL EF LLC
received 2024-12-03

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2026-02-12
W-2/G-1 2025-10-16 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 29.316025
Lon -97.501475

Well Details

Well Number
134H
Max Depth
22,000 ft
Drill Type
Horizontal
County
GONZALES
District
2
Completed
2025-09-25

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-09-26)
Cum Oil (all leases)
409,189,156 bbl
Cum Gas (all leases)
1,029,735,602 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,173